activity
20242026
collaborators

8 papers

cs.AI2026

CAST: Non-Privileged Clipped Asymmetric Self-Teaching with Advantage Flipping for GRPO

Yang Li, Gongle Xue, Yijia Guo +3

Reinforcement learning with verifiable rewards (RLVR), especially Group Relative Policy Optimization (GRPO), has been widely used to improve reasoning in large language models. How…

cs.CV2026

Splats in Splats++: Robust and Generalizable 3D Gaussian Splatting Steganography

Yijia Guo, Wenkai Huang, Tong Hu +9

3D Gaussian Splatting (3DGS) has recently redefined the paradigm of 3D reconstruction, striking an unprecedented balance between visual fidelity and computational efficiency. As it…

cs.CV2026

Can Protective Watermarking Safeguard the Copyright of 3D Gaussian Splatting?

Wenkai Huang, Yijia Guo, Gaolei Li +6

3D Gaussian Splatting (3DGS) has emerged as a powerful representation for 3D scenes, widely adopted due to its exceptional efficiency and high-fidelity visual quality. Given the si…

cs.CV2025

On-the-fly Large-scale 3D Reconstruction from Multi-Camera Rigs

Yijia Guo, Tong Hu, Zhiwei Li +6

Recent advances in 3D Gaussian Splatting (3DGS) have enabled efficient free-viewpoint rendering and photorealistic scene reconstruction. While on-the-fly extensions of 3DGS have sh…

cs.CV2025

Splats in Splats: Robust and Effective 3D Steganography towards Gaussian Splatting

Yijia Guo, Wenkai Huang, Yang Li +6

3D Gaussian splatting (3DGS) has demonstrated impressive 3D reconstruction performance with explicit scene representations. Given the widespread application of 3DGS in 3D reconstru…

cs.CV2025

Seeing the Unseen in Low-light Spike Streams

Liwen Hu, Yang Li, Mianzhi Liu +5

Spike camera, a type of neuromorphic sensor with high-temporal resolution, shows great promise for high-speed visual tasks. Unlike traditional cameras, spike camera continuously ac…